<template>
  <div class="container">
    <div class="header">
      <van-icon @click="goBack" name="arrow-left" class="header-left" size="30" />
      填写服务订单
    </div>
    <status-bar item="0" />
    <van-cell class="cell">
      <template #title>
        <van-image width="25" height="25" :src="createInfo.service.serviceImg" />
        <span class="server-name">{{createInfo.service.serviceName}}</span>
      </template>
      <!-- 右侧 -->
      <template #default>
        <div class="service-text"> 服务内容</div>
      </template>
    </van-cell>
    <van-cell-group class="cell">
      <van-cell>
        <template #title>就诊医院</template>
        <template #default>
          <div @click="showHospital = true">
            {{ form.hospital_name || "请选择就诊医院" }}
            <van-icon name="arrow" />
          </div>
        </template>
      </van-cell>
      <van-cell>
        <template #title>就诊时间</template>
        <template #default>
          <div @click="showStartTime=true">
            {{currentDate || "请选择就诊时间"}}
            <van-icon name="arrow" />
          </div>
        </template>
      </van-cell>
      <van-cell>
        <template #title>陪诊师</template>
        <template #default>
          <div @click="showCompanion=true">
            {{companionName || "请选择陪护师"}}
            <van-icon name="arrow" />
          </div>
        </template>
      </van-cell>
      <van-cell>
        <template #title>接送地址</template>
        <template #default>
          <van-field class="text" input-align="right" v-model="form.receiveAddress" placeholder="请填写接送地址" />
        </template>
      </van-cell>
      <van-cell>
        <template #title>联系电话</template>
        <template #default>
          <van-field class="text" input-align="right" v-model="form.tel" placeholder="请填写联系电话" />
        </template>
      </van-cell>
    </van-cell-group>

    <van-cell-group title="服务需求" class="cell">
      <van-field class="text" style="height: 100px" v-model="form.demand" placeholder="请简单描述您要就诊的科室..." />
    </van-cell-group>
    <van-button @click="submit" class="sumbit" type="primary" size="large">提交订单</van-button>


    <!-- 底部弹出 -->
    <van-popup v-model:show="showHospital" position="bottom" :style="{ height: '30%' }">
      <!-- 在弹出窗里选择医院 -->
      <van-picker title="请选择医院" :columns="showHospColumns" @confirm="showHospOnConfirm" @cancel="showHospital=false" />
    </van-popup>

    <van-popup v-model:show="showStartTime" position="bottom" :style="{ height: '30%' }">
      <van-date-picker title="选择日期" :min-date="minDate" :max-date="maxDate" @confirm="showTimeConfirm"
        @cancel="showStartTime=false" />
    </van-popup>
    <!-- 陪诊师 -->
    <van-popup v-model:show="showCompanion" position="bottom" :style="{ height: '30%' }">
      <van-picker :columns="companionColumns" @confirm="showCompanionConfirm" @cancel="showCompanion=false" />
    </van-popup>

    <!-- 支付二维码弹窗 -->
    <van-dialog :show-confirm-button="false" v-model:show="showCode">
      <van-icon name="cross" class="close" @click="closeCode" />
      <div>微信支付</div>
      <van-image width="150" height="150" :src="codeImg"></van-image>
      <div>请使用本人微信扫描二维码 </div>
    </van-dialog>
  </div>
</template>

<script setup>
import { onMounted, getCurrentInstance, reactive, ref, computed } from 'vue'
import { useRouter } from 'vue-router'
import StatusBar from '../../components/StatusBar.vue'
import Qrcode from 'qrcode'

//获取当前vue的实例
const { proxy } = getCurrentInstance()

const createInfo = reactive({
  companion: [],
  hospitals: [],
  service: {}
})

onMounted(async () => {
  const { data } = await proxy.$api.h5Companion()
  Object.assign(createInfo, data.data)
  console.log(createInfo);
})

const router = useRouter()
//点击返回上一页
const goBack = () => {
  router.go(-1)
}
//form数据
const form = reactive({})

//就诊医院
const showHospital = ref(false)
const showHospColumns = computed(() => {
  return createInfo.hospitals.map(item => {
    return { text: item.name, value: item.id }
  })
})

//选择医院
const showHospOnConfirm = (item) => {
  console.log(item);
  form.hospital_id = item.selectedOptions[0].value
  form.hospital_name = item.selectedOptions[0].text
  //关闭弹出层
  showHospital.value = false
}

//选择就诊时间
const showStartTime = ref(false)
const currentDate = ref()
//最小日期(当前时间,不可能早于当前时间)
const minDate = ref(new Date())
const showTimeConfirm = (item) => {
  // 将选中的日期值用 '-' 连接成字符串
  const dateStr = item.selectedValues.join('-')
  // 更新当前日期值
  currentDate.value = dateStr
  // 将日期字符串转换为时间戳并赋值给表单的 starttime 字段
  form.starttime = new Date(dateStr).getTime()
  // 隐藏开始时间选择器
  showStartTime.value = false
}

//选择陪诊师
const showCompanion = ref(false)
const companionColumns = computed(() => {
  return createInfo.companion.map(item =>{
    return {text:item.name,value:item.id}
  })
})

const companionName = ref()
const showCompanionConfirm = (item) => {
    console.log(item);
    form.companion_id = item.selectedOptions[0].value
    companionName.value = item.selectedOptions[0].text
    showCompanion.value = false
}

//支付弹窗
const showCode = ref(false)
const codeImg = ref('')
// 关闭支付弹窗
const closeCode = () => {
  showCode.value = false
  router.push('/order')
}
//提交表单
const submit = async () => {
  const params = [
    'hospital_id',
    'hospital_name',
    'demand',
    'companion_id',
    'receiveAddress',
    'tel',
    'starttime'
  ]
  for(const i of params){
    // 校验每一项是否填写
    if(!form[i]){
      showNotify({ message: '请把每一项都填写' });
      return 
    }
  }
  const {data:orderRes} = await proxy.$api.createOrder(form)
  Qrcode.toDataURL(orderRes.data.wx_code).then((url) => {
    showCode.value = true
    codeImg.value = url
  })
}
</script>

<style lang="less" scoped>
.container {
  background-color: #f0f0f0;
  height: 100vh;
}

.header {
  padding: 10px 0;
  text-align: center;
  line-height: 30px;
  font-size: 15px;

  .header-left {
    float: left;
  }
}

.cell {
  width: 95%;
  margin: 5px auto;
  background-color: #fff;

  ::v-deep(.van-field__control) {
    color: var(--van-cell-value-color);
  }

  ::v-deep(.van-cell__title) {
    display: flex;
    align-items: center;
  }

  .server-name {
    margin-left: 10px;
  }
}

.service-text {
  background: url() no-repeat center center;
  background-size: 20px;
}

.sumbit {
  position: absolute;
  bottom: 0;
}

::v-deep(.van-dialog__content) {
  text-align: center;
  padding: 20px;

  .close {
    position: absolute;
    left: 20px;
  }
}
</style>